OEM Steel Industry Manufacturers & Factory

Pioneering High-Performance Chromium Carbide Overlay (CCO) Solutions, Advanced Hardfacing Welding Consumables, and Industrial Automation Systems for Extreme Wear Environments.

High-End Engineering Core

Primary Industrial Wear Solutions

OEM self-shielded flux cored wire (for hardfacing)

OEM Self-Shielded Flux Cored Wire

Engineered explicitly for field-based hardfacing, requiring no external shielding gas. High chromium formulation maximizes resistance to high-stress grinding abrasion.

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ODM High Hardness CCO Hardfacing Overlay Wear Resistant Steel Plate

High Hardness CCO Wear Plates

Runxing RX-m series tailored for heavy-duty cement chutes and mining liners. The high-hardness structure guarantees extended runtimes under abrasive impact.

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ODM Chromium Carbide Overlay (CCO) Wear Plate Factory

Chromium Carbide Overlay Plates

Fabricated with structural steel backing combined with a wear-resistant metallurgical overlay. Highly robust under severe ambient temperatures and stress levels.

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Wholesale Hardfacing materials - Flux cored wires

Wholesale Hardfacing Consumables

Complete selection of flux cored wires manufactured with strict chemistry control. Ideal for bulk application across machinery maintenance and roll repair setups.

Bulk Procurement Options >
High-Quality Bimetallic chromium carbide surfacing wear-resistant composite steel plate

Bimetallic Composite Steel Plates

Premium bimetallic cladding designed to resist abrasive medium-to-high impact workloads. Superior bond strength ensures no delamination under cyclic structural stress.

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Wear Plate RXwp 7600

Wear Plate RX®wp 7600

Composite wear plate featuring a mild structural steel base and a hard weld overlay, conforming directly to standard DIN 8555 specifications.

Technical Datasheet >
Welding Wire

Wear Plate Alloys & Wires

High chromium open-arc flux cored welding wires formulated to mitigate sliding abrasion in bulk material handling machines and crushers.

Alloy Chemistry >
PTTA

PTTA Advanced Materials

Premium welding consumables and wear systems designed for low impact, high-stress abrasion in coal mill pulverizers and steel plants.

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High-Stress Abrasion Control in Modern Infrastructure

Within heavy industries such as steelmaking, mining, cement processing, power generation, and bulk port logistics, mechanical components operate under punishing conditions. High-stress sliding abrasion, severe impact, thermal shock, and chemical corrosion continuously degrade equipment surfaces. The resulting machinery failures lead to unscheduled downtime and substantial financial losses. Mitigating these losses requires high-performance surface engineering solutions like Chromium Carbide Overlay (CCO) plates and advanced hardfacing consumables.

Development Trends: Decarbonization and Smart Metallurgy

The global steel and mining equipment sectors are undergoing a major shift driven by modern engineering standards. Key development trends include:

  • Carbon Emission Mitigation through Asset Lifespan Extension: Extending the operating hours of massive steel components (such as chute liners, hopper systems, and vertical roller mill assemblies) reduces the frequency of replacement. Extending asset lifespans helps lower the overall demand for primary steel production, aligning with carbon reduction initiatives.
  • Migration to Intelligent Automated Cladding: Manual maintenance is being phased out in favor of multi-gun, CNC-controlled automated hardfacing units. These automated systems maintain uniform heat input, regulate diluting percentages, and ensure a consistent distribution of hard primary M7C3 carbide formations.
  • Advanced Multi-Alloy Metallurgy: Beyond traditional binary iron-chromium-carbon systems, modern applications demand complex alloying containing elements such as niobium (Nb), boron (B), titanium (Ti), and tungsten (W). These elements help ensure structural integrity is maintained even in high-temperature environments.
14+
Years of OEM/ODM R&D
6+
Years German Vautid Agent
30+
Global Regions Serviced
4-Gun
Intelligent Surfacing Tech

Procurement Requirements for Global Industrial Operators

Global procurement teams in heavy industry prioritize reliability, performance predictability, and structural stability. When selecting wear plates and hardfacing materials, key purchasing requirements include:

  • Standard-Compliant Wear Resistance: Consistent performance in standardized laboratory testing, such as ASTM G65 dry sand rubber wheel testing, to predict wear rates in the field.
  • High Bond Integrity: Minimal dilution rates at the interface of the structural backing plate and the hard overlay to prevent delamination during transport, machining, or heavy impact.
  • Uniform Hardness Profile: Consistent hardness levels (typically HRC 58-62) from the surface down to the fusion zone, ensuring wear protection remains effective over the life of the component.
METALLURGICAL KEY PARAMETERS

Understanding the chemistry behind long-lasting components is essential for selecting the right wear solution.

  • Primary Carbides: Rod-shaped hexagonal M7C3 crystals with microhardness up to 1500 HV.
  • Base Metal: Typically Q235B or Q355B structural carbon steel for weldability and ease of installation.
  • Dilution Control: Kept below 10% on the initial layer via advanced automatic welding controls.
INTERNATIONAL SHIPMENTS

Export activities for Tangshan Runxing Machinery are handled by Hebei Yuwan International Trade Co., Ltd.

This arrangement allows our manufacturing team to focus on product development and production quality, while Yuwan handles customs clearance, logistics, and secure payment processing.

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Tangshan Runxing Machinery Co., Ltd.

Founded in 2010, Tangshan Runxing Machinery Co., Ltd. is a professional manufacturer based in Tangshan, Hebei Province, focusing on the research, development, manufacture, and on-site repair of hardfacing wear-resistant metal products. Our core product lines include chromium carbide overlay (CCO) wear plates, custom-fabricated wear liners, wear-resistant piping, hardfacing flux-cored welding wires, automatic surfacing equipment, and professional roller maintenance services.

Runxing Machinery has established partnerships with domestic academic groups, including Tangshan University's Metal Materials and Forming Technology team led by Professor Yang Yuehui. These collaborations help us continuously refine our metal surface processing technologies. Additionally, we have spent six consecutive years as a qualified agent for VAUTID welding consumables, integrating advanced metallurgical components into our product range.

Global Support & Trading

Our export processes are managed by Hebei Yuwan International Trade Co., Ltd. to ensure compliance, proper customs documentation, and timely international delivery.

Advanced Manufacturing

Equipped with high-precision, multi-gun automated cladding machines to maintain strict quality and consistent plate flatness.

Tangshan Runxing Machinery Facility and Engineering

Engineering Deep Dive

Metallurgical Solutions & System Capabilities

Tangshan Runxing Machinery provides wear-resistant solutions designed to address specific operating environments. Standardized steel plates are often insufficient for conditions involving extreme abrasive wear. Our products are engineered to provide reliable performance in highly challenging industrial applications.

Automatic Hardfacing Machinery

Our automatic hardfacing equipment features a high degree of automation and a small physical footprint. Featuring an integrated 10.2-inch numerical touch interface, it controls multi-gun configurations (up to four guns operating independently or in tandem) to deliver precise deposit thickness and maintain constant temperature control.

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Precision Roll Repair Services

Industrial mill rolls suffer from severe dimensional wear. We offer rebuilding services for continuous casting rolls, conveyor rolls, and vertical pulverizer table assemblies, restored using specific alloy overlays. This rebuilding process restores the components' original dimensions while increasing their service life.

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Machined & Fabricated Parts

Utilizing high-speed plasma arcs and custom waterjet cutting systems, we shape and weld CCO plates into complex geometries, including hopper systems, elbow pipes, dust collectors, fan blades, and custom-designed chute liners.

Technical Roadmap and Future Outlook

Our engineering roadmap focuses on three main development goals:

  • Ultra-High-Temperature Alloys: Developing hardfacing materials that resist oxidation and maintain structural hardness in temperatures exceeding 750°C, which is essential for sintering plants and cement preheaters.
  • Low-Dilution Welding Methods: Optimizing welding speed, current, and wire positioning to keep base metal dilution under 8% in single-pass overlays, maintaining high chromium content at the wear surface.
  • Laser Cladding Technology: Expanding our capabilities in laser cladding to deposit thinner, highly dense protective alloys with minimal heat input and distortion, ideal for high-precision components.

Versatile Protection Systems

Targeted Industry Cases & Practical Applications

Cement Wear Protection Solutions

Cement Processing

Protects vertical roller mill guides, cyclone separators, and raw press hoppers against severe wear from raw meal and clinker dust, helping minimize maintenance shutdowns.

Mining Abrasion Control

Mining & Extraction

Designed to resist abrasive wear in rock chutes, shovel liners, and vibrating screens. Built to handle heavy impact and friction from abrasive minerals.

Steel Plant High Temperature Wear protection

Steel Manufacturing

Addresses wear and tear in high-temperature blast furnace components, coke distribution screens, and raw material conveyor guides.

Power Generation Plant Wear protection

Power Generation

Protects coal pulverizer components, exhauster fan blades, and ash conveyance systems from erosion caused by high-velocity particulate flow.

Port Yard Material Handling Wear protection

Port Operations

Protects bulk material transfer chutes, bucket wheel reclaimers, and hopper walls handling high-volume abrasive iron ore and coal shipments.

Wear-resistant Alumina Ceramics

Alumina Ceramics

Sintered from high-purity alumina powder, these tiles offer wear resistance for high-velocity particle conveying lines under lower impact loads.

Research Expansion

Emerging Technologies

Developing surface treatments and coatings to extend component life under challenging industrial conditions.

Future Industrial Engineering research

Technical Testing

Continuing on-site trials and test evaluations with heavy industry partners to verify component durability under operational stress.

Global Outreach & Innovation

Events, Exhibitions & Strategic Milestones

New website launch Runxing Machinery

Runxing Machinery Launches Website Update

Tangshan Runxing Machinery Co., Ltd. updated its digital platform to improve access to technical product specifications and wear-resistant solutions for global procurement partners.
South Africa 2024 Trade Show

Africa 2024 International Exhibition

In September 2024, our team exhibited at the Johannesburg International Convention Center, showcasing CCO wear plates and flux-cored welding wires to African construction and mining sectors.
Tangshan University Leaders visited Runxing

Collaboration with Tangshan University

University researchers and materials specialists visited our facility to review joint R&D projects on wear plate surfacing patterns and microstructural refinement.
VAUTID Partnership Germany Agency

Qualified Agent for Germany's VAUTID

For six consecutive years, we have integrated VAUTID's specialized welding materials into our customized wear-resistant products, helping ensure reliability under high-abrasion conditions.
EXPOMIN 2023 South America mining exhibition

EXPOMIN 2023 Chilean Exhibition

We participated in EXPOMIN 2023 in Santiago, Chile, presenting our custom wear liners and CCO plates to South American mining operators and engineering firms.

User Intent Mining & Engineering Answers

Frequently Asked Technical Questions

Q1: What is the difference between Chromium Carbide Overlay (CCO) plates and traditional hardened steel?
Traditional hardened steel plates rely on uniform heat treatment to achieve hardness throughout, which can become brittle and suffer from limited wear depth. CCO plates fuse a wear-resistant chromium carbide overlay to a ductile structural backing plate. This combination provides a tough, hard working surface while maintaining weldability and impact absorption.
Q2: Why do CCO wear plates exhibit surface cracks, and do they impact performance?
The cross-crack lines observed on the surface of CCO plates are stress-relief cracks. These cracks occur naturally during the high-temperature weld deposition process as the overlay cools. They relieve residual thermal stresses, preventing the plate from warping, and do not compromise wear resistance or structural stability.
Q3: Can these bimetallic wear plates be formed, bent, or cut on-site?
Yes, bimetallic plates can be cold-formed or rolled into cylinders and cones to match specific design requirements. Cutting is typically performed using plasma arc or waterjet systems, and the plate can be welded to base equipment using the ductile structural backing.
Q4: How do self-shielded flux-cored wires function without shielding gas?
Self-shielded flux-cored wires contain specific core materials that vaporize during the welding arc, creating their own protective gas shield. This design is highly suitable for outdoor field repairs where wind or draft conditions would disrupt external shielding gas.
Q5: What role does your trade partner, Hebei Yuwan, play in global deliveries?
Hebei Yuwan International Trade Co., Ltd. manages export compliance, customs clearance, and global shipping logistics for Runxing Machinery. This partnership allows our engineering team to focus on production quality and design.
Q6: How does dilution from the base metal affect wear plate performance?
Base metal dilution occurs when the backing plate melts into the overlay during welding, lowering the concentration of chromium and carbon in the wear layer. Runxing utilizes automated surfacing systems to keep dilution below 10%, ensuring high carbide density.
Q7: What is the advantage of using a 4-gun automated welding system?
Our 4-gun CNC system enables uniform deposit thickness and controlled heat input across the plate. The system can operate the welding heads independently or together, improving manufacturing efficiency and ensuring a consistent hardness profile.
Q8: Are customized alloy formulations available for specific operating environments?
Yes, we formulate overlays to meet specific wear conditions, including adding alloying elements such as niobium, boron, or tungsten to handle high temperatures, heavy impact, or chemical corrosion.
Q9: What is the typical service life improvement of CCO plates over standard AR500 steel?
In applications involving high sliding abrasion, CCO plates typically last 4 to 6 times longer than AR500 steel, helping to reduce replacement frequency and maintenance costs.
Q10: How is quality consistency verified during production?
We perform regular hardness testing, microstructural analysis of primary carbide distribution, and dimensions verification to ensure each batch meets our engineering specifications.

Complete Industrial Equipment Lineup

Systems & Machining Solutions

Automatic Hardfacing Welding Equipment

Automatic Hardfacing Systems

Intelligent 4-gun automated cladding machines featuring a CNC touch interface, variable swing speeds, and precise parameter control for manufacturing wear-resistant plates.

Equipment Detail >
Machining and Engineering

Custom Machine Accessories

Precision machining services for structural components, industrial liners, and assembly parts tailored to client blueprints.

Engineering Solutions >
Roll Repair Services

Industrial Roll Rebuilding

Professional surfacing repair services for continuous casting rolls, conveyor rolls, and vertical mill table components, helping restore original profiles.

Rebuilding Options >
OEM self-shielded flux cored wire for hardfacing

Hardfacing Core Wires

Self-shielded alloy wires designed for outdoor field repair and maintenance of heavy mining and processing equipment.

Wire Specifications >
ODM High Hardness CCO Wear Plate

Wear-Resistant Liner Plates

Designed for installation in high-wear environments such as mineral chutes, hopper bins, and bulk transfer points.

Liner Applications >
ODM Chromium Carbide Overlay (CCO) Wear Plate Factory

Chromium Carbide Overlay Plates

Premium bimetallic plates featuring a high carbide concentration to handle abrasive wear under thermal load.

Overlay Technology >
Wholesale Hardfacing materials - Flux cored wires

Bulk Hardfacing Alloys

A comprehensive selection of flux-cored wires and wear materials for industrial fabrication and maintenance yards.

Procurement Details >
High-Quality Bimetallic chromium carbide composite plate

Bimetallic Wear Plates

Features a carbon steel backing fused with a chromium carbide overlay, designed for sliding abrasion resistance and ease of mounting.

View Composite Range >

Cooperation & Certification

Industrial Partner Network